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/* match.h - interface to shell ##/%% matching code */
#ifndef SHELL_MATCH_H
#define SHELL_MATCH_H 1
PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN
//TODO! Why ash.c still uses internal version?!
enum {
SCAN_MOVE_FROM_LEFT = (1 << 0),
SCAN_MOVE_FROM_RIGHT = (1 << 1),
SCAN_MATCH_LEFT_HALF = (1 << 2),
SCAN_MATCH_RIGHT_HALF = (1 << 3),
};
char* FAST_FUNC scan_and_match(char *string, const char *pattern, unsigned flags);
static inline unsigned pick_scan(char op1, char op2)
{
unsigned scan_flags;
if (op1 == '#') {
scan_flags = SCAN_MATCH_LEFT_HALF +
(op1 == op2 ? SCAN_MOVE_FROM_RIGHT : SCAN_MOVE_FROM_LEFT);
} else { /* % */
scan_flags = SCAN_MATCH_RIGHT_HALF +
(op1 == op2 ? SCAN_MOVE_FROM_LEFT : SCAN_MOVE_FROM_RIGHT);
}
return scan_flags;
}
POP_SAVED_FUNCTION_VISIBILITY
#endif
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